CN109831074B - Twisting machine - Google Patents
Twisting machine Download PDFInfo
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- CN109831074B CN109831074B CN201910216612.7A CN201910216612A CN109831074B CN 109831074 B CN109831074 B CN 109831074B CN 201910216612 A CN201910216612 A CN 201910216612A CN 109831074 B CN109831074 B CN 109831074B
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- wire
- threading
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- driving
- twisting
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Abstract
The invention discloses a wire twisting machine which comprises a workbench, a workpiece clamping device, a rotary power device, a linear propelling device and a synchronous linkage device, wherein the workpiece clamping device is slidably arranged on the workbench, the rotary power device is arranged on the workbench and used for driving the wire twisting device to rotate, the wire twisting device is used for twisting a plurality of copper wires on a workpiece into a strand, the linear propelling device is arranged on the workbench, and the synchronous linkage device is arranged between the linear propelling device and the rotary power device and is used for driving the workpiece clamping device to do linear motion when the wire twisting device rotates. The wire twisting machine is simple in structure and low in cost; the twisting device is used for replacing hands, so that a strand of attractive twist-shaped copper wires can be twisted out in time compared with a thicker copper wire; meanwhile, the working efficiency can be improved, and the labor intensity of personnel can be reduced; and the suitability is strong, and the method is particularly suitable for screwing the reserved copper wire end of the stator.
Description
Technical Field
The invention belongs to the technical field of wire twisting machines, and particularly relates to a wire twisting machine suitable for twisting reserved copper wire ends of a generator stator.
Background
Six copper wire ends are reserved after the generator stator winding is installed, three copper wire ends corresponding to the three phases of the generator are required to be screwed together to be in a twist shape, and are welded together by soldering to form a wiring terminal.
At present, manufacturers need to manually screw stator windings to reserve copper wires, resistance is large when screwing thicker copper wires, gaps of the screwed copper wires are large, attractive, labor intensity is high, and generation efficiency is low. Although the wire twisting machine on the market can twist a plurality of wires into a strand, and the degree of automation is high, the structure is complex, the purchase cost is higher, the universality is poor, and the wire twisting machine is not suitable for twisting the reserved copper wire end of the stator.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the wire twisting machine which is simple in structure, low in cost and strong in adaptability, and is particularly suitable for twisting the reserved copper wire end of the stator.
In order to solve the technical problems, the invention adopts the following technical scheme: a wire twisting machine, the wire twisting machine comprising:
a work table;
the workpiece clamping device is slidably arranged on the workbench;
the rotary power device is arranged on the workbench, the rotary power device is used for driving the wire twisting device to rotate, and the rotating wire twisting device is used for twisting a plurality of copper wires on a workpiece into one strand;
the linear propulsion device is arranged on the workbench, a synchronous linkage device is arranged between the linear propulsion device and the rotary power device, and the linear propulsion device is used for driving the workpiece clamping device to do linear motion when the screwing device rotates.
Preferably, the rotary power device comprises a motor mounting seat and a motor mounted on the motor mounting seat, and the motor mounting seat is mounted on the workbench.
Preferably, the wire twisting device comprises a U-shaped mounting seat and a wire twisting tool, the U-shaped mounting seat comprises a bottom plate and two side plates connected with the bottom plate, the bottom plate is fixed with a horizontal output shaft of the motor, the two side plates of the U-shaped mounting seat are fixed with one end of the wire twisting tool, and a plurality of threading holes for copper wires to pass through are formed in the other end of the wire twisting tool.
Preferably, the wire twisting device further comprises a wire clamping manipulator and a manipulator driving mechanism, wherein the manipulator driving mechanism is used for driving the wire clamping manipulator to clamp the copper wire.
Preferably, the wire clamping manipulator comprises two hinging seats and two oppositely arranged wire clamping fingers, the two hinging seats are respectively fixed at the top and the bottom of the wire twisting tool, the root parts of the wire clamping fingers are hinged with the corresponding hinging seats through pivots, the inner sides of the wire clamping fingers are provided with accommodating grooves for accommodating torsion springs, the torsion springs are sleeved on the pivots, one ends of the torsion springs are propped against the bottoms of the accommodating grooves, and the other ends of the torsion springs are propped against the top or the bottom of the wire twisting tool.
Preferably, the manipulator driving mechanism comprises two pressing plates which are arranged up and down and are parallel to each other, two first sliding blocks which are parallel to each other are fixedly arranged between the two pressing plates, the two first sliding blocks are respectively connected with the corresponding side plates in a sliding manner, knob bolts are arranged on the two first sliding blocks, and bolt rods of the knob bolts are screwed into the first sliding blocks to abut against the corresponding side plates;
when the first sliding block slides towards the wire clamping fingers, the two pressing plates are used for driving the two wire clamping fingers to move in opposite directions;
when the first sliding block slides away from the wire clamping fingers, the two torsion springs are used for driving the two wire clamping fingers to move oppositely.
Preferably, the workpiece clamping device comprises a base and an upper gland, a first clamping seat is arranged at the top of the base, and upright posts are arranged on the bases at two sides of the first clamping seat; the bottom of the upper gland is provided with a second clamping seat opposite to the first clamping seat, one end of the upper gland is hinged to the top of one upright post, the top of the other upright post is provided with a quick clamp, and the quick clamp is used for pressing the upper gland on the workpiece.
Preferably, the linear propulsion device comprises a screw rod and two screw rod seats, wherein the screw rod is arranged between the two screw rod seats and is rotationally connected with the two screw rod seats, a screw rod nut is sleeved on the screw rod, and the screw rod nut is fixedly connected with the bottom of the workpiece clamping device.
Preferably, the synchronous linkage device comprises a driving pulley, a driven pulley and a belt wound on the driving pulley and the driven pulley; the driving belt wheel is fixedly connected with a horizontal output shaft of the motor, and the driven belt wheel is fixedly connected with one end of the screw rod, which extends out of the screw rod seat.
Preferably, a sliding rail and sliding block assembly is arranged between the workpiece clamping device and the workbench, the sliding rail and sliding block assembly comprises two sliding rails which are arranged in parallel and a second sliding block which is in sliding connection with the corresponding sliding rails, the sliding rails are arranged on the workbench, and the second sliding block is arranged at the bottom of the workpiece clamping device.
By adopting the technical scheme, the beneficial effects of the invention are as follows:
the workpiece clamping device in the wire twisting machine is used for clamping a workpiece (a stator), the rotary power device is used for driving the wire twisting device to rotate, and the rotating wire twisting device is used for twisting a plurality of copper wires on the workpiece into one strand; the linear pushing device is used for driving the workpiece clamping device to drive the workpiece to do backward linear motion when the threading device rotates. The rotary power device drives the wire twisting device to twist the copper wire one circle, and the linear pushing device drives the workpiece clamping device to carry the workpiece to retreat by one lead under the synchronous driving of the synchronous linkage device.
In conclusion, the wire twisting machine is simple in structure and low in cost; the twisting device is used for replacing hands, and even thicker copper wires can be twisted into a twist-shaped copper wire with attractive appearance; meanwhile, the working efficiency can be improved, and the labor intensity of personnel can be reduced; and the suitability is strong, and the method is particularly suitable for screwing the reserved copper wire end of the stator.
Drawings
FIG. 1 is a schematic perspective view of a threading machine according to the present invention;
FIG. 2 is a schematic view of the threading device of FIG. 1;
FIG. 3 is an assembly view of the U-shaped mounting block, the threading tool and the wire clamping manipulator of FIG. 2;
FIG. 4 is a schematic view of the manipulator drive mechanism of FIG. 2;
FIG. 5 is a top view of the threading machine of the present invention;
FIG. 6 is a front view of the threading machine of the present invention;
in the figure: the device comprises a 1-workbench, a 2-workpiece clamping device, a 21-base, a 211-first clamping seat, a 22-upper gland, a 221-second clamping seat, a 23-upright, a 24-quick clamp, a 3-rotary power device, a 31-motor mounting seat, a 32-motor, a 4-threading device, a 41-U-shaped mounting seat, a 411-bottom plate, a 412-side plate, a 42-threading tool, a 421-threading hole, a 43-threading manipulator, a 431-threading finger, a 432-hinging seat, a 433-torsion spring, a 434-accommodating groove, a 44-manipulator driving mechanism, a 441-pressing plate, a 442-first slider, a 4421-groove, a 443-knob bolt, a 5-linear pushing device, a 51-screw rod, a 52-screw rod seat, a 6-synchronous linkage device, a 61-driving pulley, a 62-driven pulley, a 63-belt, a 7-sliding rail slider assembly, a 71-sliding rail, a 72-second slider, a 8-stator and 81-copper wire.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of embodiments of the invention will be rendered by reference to the appended drawings.
As shown in fig. 1, the wire twisting machine mainly comprises six parts, namely a workbench 1, a workpiece clamping device 2, a rotary power device 3, a wire twisting device 4, a linear propulsion device 5 and a synchronous linkage device 6, and is used for twisting reserved copper wire ends of a stator.
The workpiece clamping device 2 is slidably arranged on the workbench 1; the rotary power device 3 is fixedly arranged on the workbench 1, and the wire twisting device 4 is positioned between the rotary power device 3 and the workpiece clamping device 2; the rotary power device 3 is used for driving the wire twisting device 4 to rotate; the rotating wire twisting device 4 is used for twisting a plurality of copper wires 81 on a stator 8 on the workpiece clamping device 2 into a strand; the linear propulsion device 5 is also installed on the workbench 1, and a synchronous linkage device 6 is arranged between the linear propulsion device 5 and the rotary power device 3, and the linear propulsion device 5 is used for driving the workpiece clamping device 2 to do linear motion when the screwing device 4 rotates. That is, when the rotary power unit 3 drives the wire twisting unit 4 to twist the copper wire 81 one turn, the linear propulsion unit 5 drives the workpiece clamping unit 2 to retract one lead with the stator 8 under the synchronous drive of the synchronous linkage unit 6.
Wherein: the rotary power unit 3 comprises a motor mounting seat 31 and a motor 32 horizontally mounted on the motor mounting seat 31, the motor mounting seat 31 is mounted on the workbench 1, and the motor 32 is a gear motor.
In this embodiment, as shown in fig. 2 to 4 together, the wire twisting device 4 includes a U-shaped mounting seat 41 and a wire twisting tool 42, a bottom plate 411 of the U-shaped mounting seat 41 is fixed with a horizontal output shaft of the motor 32, two side plates 412 of the U-shaped mounting seat 41 are both fixed with one end of the wire twisting tool 42, a plurality of threading holes 421 through which copper wires 81 pass are provided at the other end of the wire twisting tool 42, and the threading holes 421 are tapered holes. The threading tool 42 comprises a body, wherein one end of the body is provided with a trapezoid open slot, threading holes 421 penetrating through the body are respectively formed in the side slot wall and the bottom slot wall of the trapezoid open slot, and the other end of the body is fixed with two side plates 412 of the U-shaped mounting seat 41.
The twisting device 4 further includes a wire clamping manipulator 43 and a manipulator driving mechanism 44, wherein the manipulator driving mechanism 44 is used for driving the wire clamping manipulator 43 to clamp three copper wires 81. The wire clamping manipulator 43 comprises two hinging seats 432 and two wire clamping fingers 431 which are arranged up and down and are oppositely arranged, the two hinging seats 432 are respectively fixed at the top and the bottom of the wire twisting tool 42, the root parts of the wire clamping fingers 431 are hinged with the corresponding hinging seats 432 through pivots (not shown in the figure), the inner sides of the wire clamping fingers 431 are provided with accommodating grooves 434 for accommodating torsion springs 433, the torsion springs 433 are sleeved on the pivots, one ends of the torsion springs 433 are abutted against the bottoms of the accommodating grooves 434 (can be directly fixed), the other ends of the torsion springs 433 are abutted against the top or the bottom of the wire twisting tool 42 (can be directly fixed), and the fingertip parts of the wire clamping fingers 431 are used for clamping copper wires 81.
The manipulator driving mechanism 44 comprises two pressing plates 441 which are arranged up and down and are parallel to each other, two first sliding blocks 442 which are parallel to each other are fixedly arranged between the two pressing plates 441, the two first sliding blocks 442 are respectively connected with corresponding side plates 412 on the U-shaped mounting seat 41 in a sliding way, grooves 4421 are formed in the inner sides of the first sliding blocks 442, and the grooves 4421 are matched with the side plates 412 of the U-shaped mounting seat 41; in short, the side plate 412 of the U-shaped mount 41 serves as a slide rail in addition to being fixed to the pressure plate 441. And knob bolts 443 are arranged on the two first sliding blocks 442, the bolt rods of the knob bolts 443 are screwed into the grooves 4421 of the first sliding blocks 442 to abut against the corresponding side plates 412, and after the first sliding blocks 442 slide along the side plates 412 in place, the first sliding blocks 442 are locked by the knob bolts 443 to prevent the sliding again.
When the first slider 442 slides towards the wire clamping finger 431, the two pressing plates 441 are used for driving the two wire clamping fingers 431 to move towards each other to clamp the copper wire 81, and the torsion spring 433 is in an energy storage state; when the first slider 442 slides away from the wire clamping finger 431, the two torsion springs 433 release energy, driving the two wire clamping fingers 431 to move back to back, releasing the copper wire 81.
In order to prevent damage to the copper wire during clamping and dragging, both the wire clamping finger 431 and the wire twisting tool 42 are made of nylon.
In this embodiment, as shown in fig. 1 and fig. 5 together, the workpiece clamping device 2 includes a base 21 and an upper gland 22, a first clamping seat 211 is provided on the top of the base 21, and upright posts 23 are provided on the bases 21 on both sides of the first clamping seat 211; the bottom of the upper gland 22 is provided with a second clamping seat 221 opposite to the first clamping seat 211, one end of the upper gland 22 is hinged to the top of one upright post 23, the top of the other upright post 23 is provided with a quick clamp 24 (adopting a common structure on the market), and the quick clamp 24 is used for pressing the upper gland 22 on the periphery of the stator 8; wherein the first clamping seat 211 and the second clamping seat 221 are respectively provided with an arc-shaped groove matched with the periphery of the stator 8; the stator 8 is positioned and clamped by means of its arcuate grooves.
A sliding rail and sliding block assembly 7 is arranged between the base 21 of the workpiece clamping device 2 and the workbench 1, the sliding rail and sliding block assembly 7 comprises two sliding rails 71 which are arranged in parallel and a second sliding block 72 which is in sliding connection with the corresponding sliding rail 71, the sliding rail 71 is arranged on the workbench 1, and the second sliding block 72 is arranged at the bottom of the base 21 in the workpiece clamping device 2.
In this embodiment, as shown in fig. 1 and fig. 6 together, the linear propulsion device 5 is disposed between two slide rails 71, and includes a screw rod 51 and two screw rod seats 52, the screw rod 51 is disposed between the two screw rod seats 52 and is rotationally connected to the two screw rod seats 52, and a screw rod nut (not shown in the drawing) is sleeved on the screw rod 51, and the screw rod nut is fixedly connected to the bottom of the base 21 in the workpiece clamping device 2.
The timing linkage 6 includes a driving pulley 61, a driven pulley 62, and a belt 63 wound around the driving pulley 61 and the driven pulley 62; the driving pulley 61 is fixedly connected with the horizontal output shaft of the motor 31, and the driven pulley 62 is fixedly connected with one end of the screw rod 51 extending out of the screw rod seat 52.
The function of the synchronization linkage 6 in this embodiment: the wire twisting machine adopts a motor 32 as rotary power, and when the motor 32 drives the wire twisting device 4 to rotate to twist a copper wire 81, the rotary power is transmitted to a driven pulley 62 through a driving pulley 61 and a belt 63 in a synchronous linkage device 6, the driven pulley 62 transmits power to a screw rod 51, a screw rod nut drives a workpiece clamping device 2 provided with a stator 8 to do linear motion on a workbench 1, so that the stator 8 is retracted while being twisted, namely, the motor 32 rotates one circle of the stator 8 to retract one lead.
The specific operation process of screwing the reserved copper wire terminal of the stator by using the wire twisting machine of the embodiment is as follows:
1. the stator 8 provided with the stator winding is manually placed on the first clamping seat 211 in the workpiece clamping device 2, the upper gland 22 is covered, and the quick clamp 24 is operated to enable the second clamping seat 221 of the upper gland 22 to be tightly pressed on the periphery of the stator 8, so that the stator 8 is clamped and fixed.
2. Three copper wires 81 to be screwed on the stator 8 are threaded into three threading holes 421 on the threading tool 42.
3. The hand driving mechanism 44 is manually operated to slide the first slider 442 and the pressing plate 441 toward the wire clamping finger 431, the two pressing plates 441 drive the two wire clamping fingers 431 to move toward each other, the fingertips of the two wire clamping fingers 431 clamp the three copper wires 81 to be screwed, and the first slider 442 is fixed by the knob bolt 443 on the first slider 442.
4. The motor 32 of the rotary power unit 3 is started to rotate forward, and the motor 32 drives the threading tool 42, the threading finger 431 and the manipulator driving mechanism 44 to rotate together, thereby threading the three copper wires 81. Simultaneously, the motor 32 drives the driving pulley 61 to synchronously rotate, the driven pulley 62 synchronously rotates under the transmission of the belt, the driven pulley 62 transmits rotary power to the screw rod 51, the screw rod nut drives the stator 8 on the workpiece clamping device 2 to do backward linear motion (deviating from the direction of the wire clamping finger 431), and the motor 32 stops after the specified position is reached.
5. Unscrewing the knob bolt 443, returning the manipulator driving mechanism 44 to the initial position, and moving the two wire clamping fingers 431 back to back under the action force of the torsion spring 433 to loosen the copper wire 81; at this time, the quick clamp 24 is operated, the upper gland 22 is opened, and the stator 8 is removed.
6. The motor 32 of the rotary power unit 3 is started to rotate reversely, and the motor 32 drives the workpiece clamping device 2 to return to the initial position and wait for the next stator.
In conclusion, the wire twisting machine is simple in structure and low in cost; the twisting device 4 is used for replacing hands, so that a strand of attractive twist-shaped copper wires can be twisted out in time compared with a thicker copper wire; meanwhile, the working efficiency can be improved, and the labor intensity of personnel can be reduced; and the suitability is strong, and the method is particularly suitable for screwing the reserved copper wire end of the stator.
While the present invention has been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A twisting machine, characterized in that it comprises:
a work table;
the workpiece clamping device is slidably arranged on the workbench;
the rotary power device is arranged on the workbench, the rotary power device is used for driving the wire twisting device to rotate, and the rotating wire twisting device is used for twisting a plurality of copper wires on a workpiece into one strand;
the linear propulsion device is arranged on the workbench, a synchronous linkage device is arranged between the linear propulsion device and the rotary power device, and the linear propulsion device is used for driving the workpiece clamping device to do linear motion when the screwing device rotates;
the rotary power device comprises a motor mounting seat and a motor mounted on the motor mounting seat, and the motor mounting seat is mounted on the workbench;
the wire twisting device comprises a U-shaped mounting seat and a wire twisting tool, wherein the U-shaped mounting seat comprises a bottom plate and two side plates connected with the bottom plate, the bottom plate is fixed with a horizontal output shaft of the motor, the two side plates of the U-shaped mounting seat are fixed with one end of the wire twisting tool, and a plurality of threading holes for the copper wires to pass through are formed in the other end of the wire twisting tool;
the workpiece clamping device comprises a base and an upper gland, a first clamping seat is arranged at the top of the base, and upright posts are arranged on the bases at two sides of the first clamping seat; the bottom of the upper gland is provided with a second clamping seat opposite to the first clamping seat, one end of the upper gland is hinged to the top of one upright post, the top of the other upright post is provided with a quick clamp, and the quick clamp is used for pressing the upper gland on the workpiece.
2. The threading machine of claim 1 wherein the threading device further comprises a wire clamping robot and a robot drive mechanism for driving the wire clamping robot to clamp the copper wire.
3. The threading machine according to claim 2, wherein the threading manipulator comprises two hinge seats and two oppositely arranged threading fingers, the two hinge seats are respectively fixed at the top and the bottom of the threading tool, the root parts of the threading fingers are hinged with the corresponding hinge seats through pivots, the inner sides of the threading fingers are provided with accommodating grooves for accommodating torsion springs, the torsion springs are sleeved on the pivots, one ends of the torsion springs are abutted against the bottoms of the accommodating grooves, and the other ends of the torsion springs are abutted against the top or the bottom of the threading tool.
4. The threading machine according to claim 3, wherein the manipulator driving mechanism comprises two pressing plates which are arranged up and down and are parallel to each other, two first sliding blocks which are parallel to each other are fixedly arranged between the two pressing plates, the two first sliding blocks are respectively connected with the corresponding side plates in a sliding manner, knob bolts are arranged on the two first sliding blocks, and bolt rods of the knob bolts are screwed into the first sliding blocks to abut against the corresponding side plates;
when the first sliding block slides towards the wire clamping fingers, the two pressing plates are used for driving the two wire clamping fingers to move in opposite directions;
when the first sliding block slides away from the wire clamping fingers, the two torsion springs are used for driving the two wire clamping fingers to move oppositely.
5. The threading machine of claim 1 wherein the linear propulsion device comprises a screw and two screw bases, the screw is disposed between and rotationally connected to both screw bases, a screw nut is sleeved on the screw, and the screw nut is fixedly connected to the bottom of the workpiece clamping device.
6. The threading machine of claim 5 wherein the synchronization linkage includes a driving pulley, a driven pulley, and a belt wound around the driving pulley and the driven pulley;
the driving belt wheel is fixedly connected with a horizontal output shaft of the motor, and the driven belt wheel is fixedly connected with one end of the screw rod, which extends out of the screw rod seat.
7. The threading machine of claim 1 wherein a slide rail slide block assembly is disposed between the workpiece clamping device and the work table, the slide rail slide block assembly comprising two parallel slide rails and a second slide block slidably connected to the respective slide rails, the slide rails being mounted on the work table, the second slide block being mounted at the bottom of the workpiece clamping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216612.7A CN109831074B (en) | 2019-03-21 | 2019-03-21 | Twisting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216612.7A CN109831074B (en) | 2019-03-21 | 2019-03-21 | Twisting machine |
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| Publication Number | Publication Date |
|---|---|
| CN109831074A CN109831074A (en) | 2019-05-31 |
| CN109831074B true CN109831074B (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910216612.7A Active CN109831074B (en) | 2019-03-21 | 2019-03-21 | Twisting machine |
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| CN (1) | CN109831074B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515794B (en) * | 2022-01-05 | 2023-09-05 | 温州新丽机车部件有限公司 | Fixed processingequipment of cylindricality or cylindric metal work piece |
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